Table 1.

Composition of gels.

Gel	Composition
Experimental gel 1 1% CHX with citric acid 1% (self-manufactured)	Water, glycerol, hydroxyethyl cellulose, polyethylene glycol (PEG) 40 hydrogenated castor oil, 1% CHX digluconate, sodium citrate, citric acid monohydrate 1%
Experimental gel 2 1% CHX with 5% PVP (self-manufactured)	Water, glycerol, hydroxyethyl cellulose, PEG 40 hydrogenated castor oil, 1% CHX digluconate, sodium citrate, 5% polyvinylpyrrolidone (PVP)
Curasept 0.5% CHX (Curaden GmbH, Kriens, Switzerland)	Water, glycerol, xylitol, hydroxyethyl cellulose, 0.5% CHX digluconate, ascorbic acid, PEG 40 hydrogenated castor oil, sodium metabisulfite, aroma, methylparaben
Curasept 1% CHX (Curaden GmbH, Kriens, Switzerland)	Water, propylene glycol, hydroxyethyl cellulose, Poly(1-vinylpyrrolidone-co-Vinyl Acetate) (PVP/VA), PEG 40 hydrogenated castor oil, 1% CHX digluconate, sodium acetate, acetic acid, sodium metabisulfite, ascorbic acid